The purpose of this amendment is to provide a clarification on typo discovered in the drawing referencing A-513. Drawing A-513 is not included in the drawing set nor on the drawing index, A-513 is a Typo and should be A-512. Regarding Detail 2/A-506, the intent is to apply penetrating sealer only to the masonry area being repointed below the second-floor windows. No additional penetrating sealer is required beyond the limits of the repointing work unless otherwise indicated in the contract documents.